Garmin GMR 18 HD3 Radome

For high-performance scanning at an entry-level price, the GMR HD3 18” dome radar is designed for mariners who want to make the most of their time on the water. Combining high-definition imaging with Garmin’s latest magnetron platform technology, this robust 4-kW radar offers reliable target detection to maximize situational awareness in low-visibility conditions. The radar detection range for this GMR HD3 18” dome extends from 20 meters out to 36 nautical miles.

Garmin GMR 18 HD3 Radome Features

DUAL-RADAR SUPPORT

Using dual radar provides redundancy and allows each display unit on the boat to pull data from one of two different radar sources.

DYNAMIC AUTO GAIN

Gain automatically adjusts levels to optimum settings.

DYNAMIC SEA FILTER

Radar gain automatically adjusts sea clutter for calm, medium and rough sea conditions.

RADAR OVERLAY

Overlay radar images onto your chartplotter’s map page. You can add an optional autopilot or heading sensor (sold separately) for best results.

MARPA TARGET TRACKING

MARPA tracks selected targets to help keep track of other vessels and avoid collisions (with appropriate sensors, sold separately).

LOW-NOISE SCANNING

The reliable GMR HD3 dome drive motor spins at a fixed 24 rpm, offering reliable, low-noise operation and minimal power consumption.

COMPACT AND POWERFUL

4kW of transmit power, 36-nautical mile maximum range and clear echo definition at all ranges.

CLOSE-IN TARGET SCANNING

Minimum scanning range of 20 meters for excellent short-range detection and target detail.

HIGH-RESOLUTION RADAR

8-bit true color for outstanding target separation with less screen clutter.

TIMED TRANSMIT MODE

Specify transmit times down to the seconds to help reduce power consumption.

INTUITIVE OPERATION

No complex user settings, so it’s easy to install and start using.